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64 Troubleshooting

You are using a Dell

PowerVault MD3000

or MD3000i storage

array and the Host

Group or Host-to

Virtual Disk Mappings

is not correctly

created.

Verify the following:

• Host Group is created and the

cluster nodes are added to the

Host Group.

• Host-to-Virtual Disk Mapping

is created and the virtual disks

are assigned to the Host Group

containing the cluster nodes.

You are using a

Dell|EMC storage

array and Access

control is not enabled

correctly

Verify the following:

• EMC® Access Logix™

software is enabled on the

storage system.

• All logical unit numbers

(LUNs) and hosts are assigned

to the proper storage groups.

You are using a Fibre

Channel storage array

in a SAN, and one or

more zones are not

configured correctly.

Verify the following:

• Each zone contains only one

initiator (Fibre Channel

daughter card).

• Each zone contains the

correct initiator and the

correct storage port(s).

You are using a Fibre

Channel storage array

and the length of the

interface cables

exceeds the maximum

allowable length.

Ensure that the fibre optic

cables do not exceed 300 m

(multimode) or 10 km (single

mode switch-to-switch

connections only)

Table A-1. General Cluster Troubleshooting (continued)

Problem Probable Cause Corrective Action

1 2 ... 59 60 61 62 63 64 65 66 67 68 69 ... 75 76

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